What action should a lifeguard take in case of an emergency?

In an emergency situation, it is critical for a lifeguard to respond quickly. This prompt response is essential in ensuring the safety and well-being of those involved, especially in scenarios where every second counts, such as a drowning incident or a medical emergency. Lifeguards are trained to assess the situation rapidly and take immediate action, whether that involves entering the water to assist a distressed swimmer, contacting emergency services, or executing first aid. A swift response can significantly impact the outcome of the emergency, potentially saving lives and reducing the severity of injuries.

The other options fail to address the urgency required in emergency situations. Waiting for someone else to respond can lead to delays that may worsen the situation. Ignoring the situation altogether denies assistance to those in need, and just reporting the issue without taking action indicates a lack of engagement that can have serious consequences. Therefore, a quick and decisive action is paramount for a lifeguard to effectively manage emergencies and ensure safety.